• Tsubaki RS50-NEP-1 NEPTUNE Coating Drive Chain Roller Chain
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Tsubaki RS50-NEP-1 NEPTUNE Coating Drive Chain Roller Chain

Tsubaki RS50-NEP-1 NEPTUNE Coating Drive Chain Roller Chain

Tsubaki NEP (NEPTUNE) Coating Drive Chain — special coating and resin coating applied to RS roller chain for highly corrosive environments such as washing processes and wet conditions.

Key features

  • Renewed from legacy NEP to NEPTUNE specification (June 2015) with improved chemical resistance
  • RoHS compliant
  • Salt spray test (SST) rated 700 hours
  • Note: maximum allowable load approx. 15% lower than standard RS roller chain — size selection required

Specifications

Series RS50-NEP
Pitch 15.875 mm
Roller Diameter 10.16 mm
Inner Width 9.40 mm
Strands 1
Coating NEP (NEPTUNE) — Special Coating + Resin Coating
Corrosion Resistance SST 700 hrs
RoHS Compliant
Max Load -15% vs Standard RS (size up recommended)
Standard JIS B 1801
Application Washing lines, wet/humid environments, food processing, chemical exposure
RS50-NEP-1-U Series: RS50-NEP | Pitch: 15.875 mm | Roller Diameter: 10.16 mm | Inner Width: 9.40 mm | Strands: 1 | Coating: NEP (NEPTUNE) — Special Coating + Resin Coating | Corrosion Resistance: SST 700 hrs | RoHS: Compliant | Max Load: -15% vs Standard RS (size up recommended) | Standard: JIS B 1801 | Application: Washing lines, wet/humid environments, food processing, chemical exposure | Link Type: Standard (Unit Link)
RS50-NEP-1-JL Series: RS50-NEP | Pitch: 15.875 mm | Roller Diameter: 10.16 mm | Inner Width: 9.40 mm | Strands: 1 | Coating: NEP (NEPTUNE) — Special Coating + Resin Coating | Corrosion Resistance: SST 700 hrs | RoHS: Compliant | Max Load: -15% vs Standard RS (size up recommended) | Standard: JIS B 1801 | Application: Washing lines, wet/humid environments, food processing, chemical exposure | Link Type: Connecting Link (Joint Link)
RS50-NEP-1-OL Series: RS50-NEP | Pitch: 15.875 mm | Roller Diameter: 10.16 mm | Inner Width: 9.40 mm | Strands: 1 | Coating: NEP (NEPTUNE) — Special Coating + Resin Coating | Corrosion Resistance: SST 700 hrs | RoHS: Compliant | Max Load: -15% vs Standard RS (size up recommended) | Standard: JIS B 1801 | Application: Washing lines, wet/humid environments, food processing, chemical exposure | Link Type: Offset Link
Roller ChainsTsubaki
3 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
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Tsubaki RS50-NEP-1 NEPTUNE Coating Drive Chain Roller Chain

Brand Tsubaki·Roller Chains

Available part numbers (3)

RS50-NEP-1-U, RS50-NEP-1-JL, RS50-NEP-1-OL

How to order

Send the Tsubaki part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.

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Product codes & specifications
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Product codeSpec
RS50-NEP-1-USeries: RS50-NEP | Pitch: 15.875 mm | Roller Diameter: 10.16 mm | Inner Width: 9.40 mm | Strands: 1 | Coating: NEP (NEPTUNE) — Special Coating + Resin Coating | Corrosion Resistance: SST 700 hrs | RoHS: Compliant | Max Load: -15% vs Standard RS (size up recommended) | Standard: JIS B 1801 | Application: Washing lines, wet/humid environments, food processing, chemical exposure | Link Type: Standard (Unit Link)
RS50-NEP-1-JLSeries: RS50-NEP | Pitch: 15.875 mm | Roller Diameter: 10.16 mm | Inner Width: 9.40 mm | Strands: 1 | Coating: NEP (NEPTUNE) — Special Coating + Resin Coating | Corrosion Resistance: SST 700 hrs | RoHS: Compliant | Max Load: -15% vs Standard RS (size up recommended) | Standard: JIS B 1801 | Application: Washing lines, wet/humid environments, food processing, chemical exposure | Link Type: Connecting Link (Joint Link)
RS50-NEP-1-OLSeries: RS50-NEP | Pitch: 15.875 mm | Roller Diameter: 10.16 mm | Inner Width: 9.40 mm | Strands: 1 | Coating: NEP (NEPTUNE) — Special Coating + Resin Coating | Corrosion Resistance: SST 700 hrs | RoHS: Compliant | Max Load: -15% vs Standard RS (size up recommended) | Standard: JIS B 1801 | Application: Washing lines, wet/humid environments, food processing, chemical exposure | Link Type: Offset Link

Need a different model, or a part not listed here? Send us your parts list →

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